brianne carter is joining us with the latest. >>> this morning it was all smiles and hugs at the airport as she begins a long journey to the life she once had in the united states. spattered at the airport in rome with her family this morning amanda knox is finally on her way home. >> the first thing the needs to take place is figuring out what these four years have done to her emotionally. >> in a letter, amanda knox spoke out same "those who wrote to me, who defended me, who stayed close to me who prayed for me, we are forever grateful. i love you. amanda." she is expected back in the united states after and overturning of her court -- in court. what brings relief for the family of amanda knox, it brings more questions. >> we will find out what truly happened. >> prosecutors say they will appeal the acquittal to the italian supreme court, but for now the focus is on the american exchange student who is trying to restart her life. >> she will be welcomed back once she gets here. >> she has asked for privacy. she does not want even the thought of well-wishers. >> it is likely she will ru